Cobra Tactical Dog Collar 1" Cobra Buckle 17-23 inches adjustable 100% Military Specification Collar with Cobra Buckle. Mil-Spec Tubular Nylon webbing is strong and comfortable because it has no hard edge to rub on the dogs' neck. 1" Black Oxide coated Steel Round-Ring. Made with 1" x 5" Velcro® attached branch label just like today's military uniform. Show your support for your favorite branch. Lifetime guarantee!